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Regal Behemoth

Creature — Dinosaur

Trample
When this creature enters, you become the monarch.
Whenever you tap a land for mana while you're the monarch, add an additional one mana of any color.

CMC
6
Mana cost
{4}{G}{G}
Color identity
G
Rarity
rare
Set
The Lost Caverns of Ixalan Commander
Price
$0.45
EDHREC rank
#2351
Buy on TCGplayer
Regal Behemoth card art
Regal Behemoth hands you the Monarch and doubles every mana a land produces — that's a draw engine and a mana engine stapled to a 5/5 trampler for six mana. The cost is real: six mana is a commitment, and you're immediately the table's target for Monarch, but decks like Alena, Kessig Trapper // Gilanra, Caller of Wirewood can recoup that investment the same turn it enters. Springheart Nantuko pairings that go wide and naturally retake Monarch make the drawback nearly irrelevant.

Best Commanders

Commanders with the highest synergy

01
Alena, Kessig TrapperGilanra, Caller of Wirewood

Alena, Kessig Trapper // Gilanra, Caller of Wirewood

54.7% of decks · synergy 0.53

Regal Behemoth is an inclusion-rate staple here because Alena, Kessig Trapper // Gilanra, Caller of Wirewood already wants big creatures and high power counts, and doubling Alena's mana output turns one combat step into something obscene. The Monarch gives the deck a built-in refuel mechanism that the partner pair lacks natively.

02
Jared Carthalion, True Heir

Jared Carthalion, True Heir

59.1% of decks · synergy 0.49

Jared Carthalion, True Heir starts the game wanting the Monarch, so Regal Behemoth is effectively a free upside — you were already fighting to keep it. The doubled mana feeds Jared's costly activated ability and accelerates the counters-matter endgame.

03
Pantlaza, Sun-Favored

Pantlaza, Sun-Favored

57.8% of decks · synergy 0.48

Pantlaza, Sun-Favored runs a Dinosaur tribal package full of expensive creatures, and Regal Behemoth is itself a Dinosaur that halves how long it takes to cast the rest of the board. The Monarch keeps hands full through the mid-game grind that Dinosaur decks often hit.

04
Owen Grady, Raptor TrainerBlue, Loyal Raptor

Owen Grady, Raptor Trainer // Blue, Loyal Raptor

49.6% of decks · synergy 0.48

Owen Grady, Raptor Trainer // Blue, Loyal Raptor builds around Dinosaurs in a color pair that doesn't naturally generate extra mana, making Regal Behemoth one of the few reliable acceleration pieces available. Doubling land output lets the deck threaten multiple Dinosaurs per turn well ahead of schedule.

05
Gishath, Sun's Avatar

Gishath, Sun's Avatar

49.6% of decks · synergy 0.40

Gishath, Sun's Avatar is one of the most-played Dinosaur commanders and wants Regal Behemoth for the same fundamental reason as every other Dinosaur deck: six-plus-mana creatures are the whole game plan, and doubled mana gets there faster. At nearly 50% inclusion across 20,000 decks, it's essentially a default include.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander legal
legacy legal
modern not legal
pioneer not legal
standard not legal
vintage legal
pauper not legal
oathbreaker legal

Regal Behemoth is a Commander card through and through — the Monarch mechanic was designed for multiplayer, and doubling your land mana matters most in a format where games go long and mana sinks are everywhere. In Legacy and Vintage, where it's technically legal, six mana for a 5/5 that doesn't immediately win the game doesn't compete with the format's actual threats, and no serious list runs it. Oathbreaker is the only other format worth noting: the smaller deck size and faster game clock make the six-mana ask steeper, but Monarch-centric oathbreakers can still justify it.

Key Combos

Combo lines featuring this card

Price Context

Current price

$0.45 bulk tier

At $0.45, Regal Behemoth is bulk by price but not by function — that gap between cost and impact is the whole reason to pick it up immediately. Bulk rares with strong Commander demand tend to drift upward slowly as reprints stay sparse, so there's no reason to wait on a card you can slot in for less than a dollar.

Explore

Sources

Mentioned

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.